Is the door suppose to not open at all with this because my door still opens a little ?

It isn't good for your door to still open a little. Your doorknob may be loose. If so, do whatever it takes to fix the doorknob. The angle of the device's post to the floor may be too steep. If so, I recommend you change its length and thereby change the angle to get the skid foot a little farther away from the door. The skid foot of the device may be sliding. If so, give it a surface that let's it bite better. A little piece of that woven no skid rubber cargo mat would probably prevent slide.

What material is the piece that fits under the door knob?

it is all made of high grade iron, just slip the fork like piece under door know.

My door has a handle not a doorknob can I put this underneath the square metal frame instead of putting it on a door knob

If your talking about the type of handle that is kind of like an ‘L’ shape…that’s what I have and I just put the ‘U’ shape of the SECURITYMAN right up under the handle and it works just the same!!

Can I use both of these for door knobs or only one for door knob and one for sliding glass door?

You can use both for door knobs

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SECURITYMAN 3-in-1 Door Security Bar, Security Door Stoppers & Door Barricade – Heavy Duty Adjustable Iron Security Lock Bar for Home Defense, Apartment & Travel Safety (2 Pack - Black)

SECURITYMAN 3-in-1 Door Security Bar, Security Door Stoppers & Door Barricade – Heavy Duty Adjustable Iron Security Lock Bar for Home Defense, Apartment & Travel Safety (2 Pack - Black)

Product ID: 126325037

Details

Brand
SECURITYMAN
Color
Black
Finish Type
rubber
Manufacturer
SECURITYMAN
Material
Iron
Mounting Type
Door Mount

🔄Adjustable 18.25"–47.5" length

🧱Heavy-duty iron construction

🛡️400 lbs pressure resistance

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2619384₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
SECURITYMAN
Color
Black
Finish Type
rubber

Description

🛡️ Lock down your space, unlock your peace of mind.

BUILT TO WITHSTAND - Engineered from premium iron to resist up to 400 pounds of force—because your safety deserves no compromises.
DUAL MODE SECURITY - Seamlessly switch between hinged door stopper and sliding door lock with interchangeable caps for ultimate versatility.
FLOOR FRIENDLY GRIP - Angled rubber base guarantees firm contact without scratching floors or damaging door knobs, including delicate French doors.
CUSTOM FIT EVERY TIME - Adjustable length from 18.25" to 47.5" ensures a perfect, secure brace on any door or window.
EFFORTLESS INSTALLATION - No drilling, no hassle—just prop under your door knob and enjoy instant peace of mind, anywhere from home to hotel.

The SECURITYMAN 2-in-1 Door Security Bar is a heavy-duty, adjustable iron security solution designed for both hinged and sliding doors. Featuring interchangeable caps, it fits doors from 18.25" to 47.5" and withstands up to 400 pounds of pressure. Its rubberized base protects floors while providing a strong, scratch-free grip. Easy to install without tools, this 2-pack offers versatile, reliable protection ideal for homes, apartments, and travel accommodations.

Specifications

ASIN	B07NVSP174
Batteries Included?	No
Batteries Required?	No
Best Sellers Rank	#1,397 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #6 in Screen Door Hardware
Color	Black
Customer Reviews	4.5 4.5 out of 5 stars (24,899)
Date First Available	February 19, 2019
Finish	rubber
Included Components	Security Bar
Item Package Quantity	1
Item Weight	3.69 pounds
Item model number	SECURITYBARB2-VAR
Manufacturer	SECURITYMAN
Material	Iron
Mounting Type	Door Mount, Under Door Mount
Number Of Pieces	2
Part Number	SECURITYBARB2-VAR
Product Dimensions	17 x 1 x 1 inches
Size	2 Pack
Style	Safety

Reviews

Z**A

13.04.2026

M**E

16.04.2026

K**.

14.03.2026

T**A

20.01.2026

D**3

1.05.2026

D**S

27.04.2026

A**R

22.03.2026

K**D

28.04.2026

م**د

11.10.2024

T**E

3.03.2025

J**R

17.10.2024

M**J

17.06.2021

S**M

4.09.2024

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